1. A. Michel, P. Nepa, M. Gallo, I. Moro, A. P. Filisan and D. Zamberlan, "Printed Wideband Antenna for LTE-Band Automotive Applications," in IEEE Antennas and Wireless Propagation Letters, vol. 16, pp. 1245–1248, 2017.
2. C. A. Balanis, Antenna theory: Analysis and design, 4th ed. Hoboken, NJ: Wiley-Blackwell, 2016.
3. K. Ding, C. Gao, Y. Wu, D. Qu and B. Zhang, "A Broadband Circularly Polarized Printed Monopole Antenna With Parasitic Strips," in IEEE Antennas and Wireless Propagation Letters, vol. 16, pp. 2509–2512, 2017.
4. Y. Liu, P. Liu, Z. Meng, L. Wang and Y. Li, "A Planar Printed Nona-Band Loop-Monopole Reconfigurable Antenna for Mobile Handsets," in IEEE Antennas and Wireless Propagation Letters, vol. 17, no. 8, pp. 1575–1579, Aug. 2018.
5. Printed omnidirectional access-point antenna for 2.4/5‐GHz WLAN operation;Su S-W;Microw. Opt. Technol. Lett.,2008